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Acoustic signature
Every release has a frequency profile. Hard surfaces amplify; soft furnishings forgive. Read a room's materials before you commit, not after.
Operational · Public flatulence safety advisory
Know your risk. Before you commit.
SafeFart is the internet's foremost authority on personal flatulence risk. Answer eight questions. Receive a clinical verdict. Then deploy — or don't — with total situational awareness.
2.4M+ assessments completed before a critical decision*
Live readout
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54
Risk Index
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Assessing…
Odor payload—
Pressure—
Seal integrity—
Sample subject · readings auto-cycle
Officially recognized high-risk environments
- Open-plan offices
- First dates
- Yoga studios
- Elevators
- Silent meetings
- Long-haul flights
- Libraries
- The in-laws' sofa
- Hot yoga
- Waiting rooms
Risk assessment
Run the numbers before you let go.
Eight questions. One clinical verdict. Answer honestly — the meter can tell.
The field guide
The four vectors of detection.
Every release can be traced along four axes. Master them, and you master the room.
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Olfactory drift
Odor travels on airflow. In still air it pools directly beneath you; in a draught it betrays you three desks downwind. Always know the currents.
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Proximity mapping
Risk scales with the number of noses within four metres. Seated witnesses are the worst kind: stationary, unhurried, and at precisely nose height.
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Seal integrity
The most important variable, and the least discussed. When confidence in the seal falls below eighty percent, this is no longer a gas problem. Respect the threshold.
Environmental classification
Not all rooms are created equal.
The official SafeFart threat classification for common environments.
Home, alone
The sanctioned environment. No witnesses, no consequences, no need for this website. Deploy at will.
Open-plan office
Seated witnesses, recycled air, and at least one colleague who will make eye contact at the exact wrong moment.
The elevator
A sealed volume with no airflow, no exit, and no forgiveness. The apex predator of all situations. Take the stairs.
A first date
One miscalculation rewrites the entire evening, and possibly the decade. There is no margin here. None.
Long-haul flight
Pressurized cabin, shared armrests, eleven hours aloft. Ration carefully and befriend the beverage cart.
The silent meeting
No cover noise exists in this environment. Every sound is admissible, attributable, and long remembered.
0Average releases per adult, daily
0Gas volume produced daily
0Olfactory drift in still air
0Assessments completed
Field reports
Accounts from the front line.
★★★★★
"I trusted a marginal reading in a glass-walled meeting room. The assessment had clearly warned me. I did not listen. I now work exclusively from home."
★★★★★
"Elevator, fourth floor. I ran the numbers, saw CRITICAL, and took the stairs. Eleven flights. Worth every single one of them."
★★★★★
"First date, ambitious curry the night before. SafeFart said LOW RISK — silent, deniable. It was correct. We are getting married in June."
Emergency protocol
If you have already deployed in error.
Containment is still possible. Follow the protocol precisely. Do not improvise.
01
Do not react
The guilty expression is the only genuine evidence in the room. Hold your current face. Continue whatever you were doing, exactly as before.
02
Establish drift
Locate the airflow. Position a plausible alternative source upwind of yourself — a vent, a bin, a colleague who has conveniently just left.
03
Relocate calmly
After a dignified interval — never immediately — excuse yourself. Walk, do not flee. As far as anyone will ever be able to prove, you were never here.
Answered, discreetly
Frequently asked questions.
How accurate is the risk assessment?+
The model weighs intake, internal pressure, environment, and seal confidence across four vectors. It is considerably more rigorous than your current method, which — let us be honest — is hope.
Can a release ever be truly silent?+
Yes. Under low pressure, with a controlled aperture and a disciplined exhale, silence is achievable. The assessment tells you when conditions permit it — and tells you, bluntly, when they do not.
What exactly is a "shart advisory"?+
It is the assessment informing you that seal integrity has dropped to a level where gas can no longer be assumed to be the only cargo. Treat it as the single most important message you will read today.
Is any of my data stored?+
No. The entire assessment runs on your device and forgets everything the moment you leave the page. What happens in the room stays in the room. That is the whole philosophy of this organization.
Where is your office?+
Downwind. Always downwind.
Assess before you commit.
The conditions are always changing — intake, pressure, company, cover. Run the numbers. Then decide.
Runs entirely on your device. No account. No history. No evidence.